Chalcogenide-glass nested anti-resonant nodeless fibers in mid-infrared region

Jiajing Tu; B. Zhang; Zhengyong Liu; Xian Zhou; Keping Long; Zhaohui Li; Chao Lu; Changyuan Yu

doi:10.1109/JLT.2018.2870434

Chalcogenide-glass nested anti-resonant nodeless fibers in mid-infrared region

Jiajing Tu, B. Zhang, Zhengyong Liu, Xian Zhou, Keping Long, Zhaohui Li, Chao Lu, Changyuan Yu

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

15 Citations (Scopus)

Abstract

We propose two types of chalcogenide-glass nested anti-resonant nodeless fibers (CNANFs) with four anti-resonant elements, in which a smaller tube is nested. One type of CNANF theoretically achieves ultra-low loss of 2.6 dB/km at the wavelength of 10.6 μm and can be used for the delivery of a high-power CO₂ laser. The other CNANF is a polarization-maintaining CNANF in the broadband mid-infrared (mid-IR) region. We investigate the tradeoff between loss and birefringence in the mid-IR region and achieve a low loss of <1 dB/m and high birefringence of >1× 10^-4 simultaneously over a large wavelength band by adjusting the air-core size and the thickness of the vertical/horizontal outer tubes. Both CNANFs show strong capability for higher order mode suppression.

Original language	English
Article number	8465972
Pages (from-to)	5244-5253
Number of pages	10
Journal	Journal of Lightwave Technology
Volume	36
Issue number	22
DOIs	https://doi.org/10.1109/JLT.2018.2870434
Publication status	Published - 15 Nov 2018

Keywords

Application in mid-infrared region
chacogenide-glass microstructured fiber
high-birefringence
hollow-core anti-resonant fiber
large higher-order mode extinction ratio

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

More information

10.1109/JLT.2018.2870434

Cite this

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title = "Chalcogenide-glass nested anti-resonant nodeless fibers in mid-infrared region",

abstract = "We propose two types of chalcogenide-glass nested anti-resonant nodeless fibers (CNANFs) with four anti-resonant elements, in which a smaller tube is nested. One type of CNANF theoretically achieves ultra-low loss of 2.6 dB/km at the wavelength of 10.6 μm and can be used for the delivery of a high-power CO2 laser. The other CNANF is a polarization-maintaining CNANF in the broadband mid-infrared (mid-IR) region. We investigate the tradeoff between loss and birefringence in the mid-IR region and achieve a low loss of <1 dB/m and high birefringence of >1× 10-4 simultaneously over a large wavelength band by adjusting the air-core size and the thickness of the vertical/horizontal outer tubes. Both CNANFs show strong capability for higher order mode suppression.",

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AU - Tu, Jiajing

AU - Zhang, B.

AU - Liu, Zhengyong

AU - Zhou, Xian

AU - Long, Keping

AU - Li, Zhaohui

AU - Lu, Chao

AU - Yu, Changyuan

PY - 2018/11/15

Y1 - 2018/11/15

N2 - We propose two types of chalcogenide-glass nested anti-resonant nodeless fibers (CNANFs) with four anti-resonant elements, in which a smaller tube is nested. One type of CNANF theoretically achieves ultra-low loss of 2.6 dB/km at the wavelength of 10.6 μm and can be used for the delivery of a high-power CO2 laser. The other CNANF is a polarization-maintaining CNANF in the broadband mid-infrared (mid-IR) region. We investigate the tradeoff between loss and birefringence in the mid-IR region and achieve a low loss of <1 dB/m and high birefringence of >1× 10-4 simultaneously over a large wavelength band by adjusting the air-core size and the thickness of the vertical/horizontal outer tubes. Both CNANFs show strong capability for higher order mode suppression.

AB - We propose two types of chalcogenide-glass nested anti-resonant nodeless fibers (CNANFs) with four anti-resonant elements, in which a smaller tube is nested. One type of CNANF theoretically achieves ultra-low loss of 2.6 dB/km at the wavelength of 10.6 μm and can be used for the delivery of a high-power CO2 laser. The other CNANF is a polarization-maintaining CNANF in the broadband mid-infrared (mid-IR) region. We investigate the tradeoff between loss and birefringence in the mid-IR region and achieve a low loss of <1 dB/m and high birefringence of >1× 10-4 simultaneously over a large wavelength band by adjusting the air-core size and the thickness of the vertical/horizontal outer tubes. Both CNANFs show strong capability for higher order mode suppression.

KW - Application in mid-infrared region

KW - chacogenide-glass microstructured fiber

KW - high-birefringence

KW - hollow-core anti-resonant fiber

KW - large higher-order mode extinction ratio

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Chalcogenide-glass nested anti-resonant nodeless fibers in mid-infrared region

Abstract

Keywords

ASJC Scopus subject areas

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